Home / 86,519.36-119,400.76-48,792.80

Finding the Fourth Proportional to 86,519.36, 119,400.76 and 48,792.80

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Solution

The fourth proportional to 86,519.36, 119,400.76 and 48,792.80 is: 67,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,519.36 : 119,400.76 = 48,792.80 : x
  2. Step 2: Convert to fraction form
    86,519.36/119,400.76 = 48,792.80/x
  3. Step 3: Cross multiply
    86,519.36x = 119,400.76 × 48,792.80
  4. Step 4: Simplify right side
    86,519.36x = 5,825,897,402.53
  5. Step 5: Solve for x
    x = 5,825,897,402.53/86,519.36
  6. Step 6: Final answer
    x = 67,336.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.